12volt tv combi

Discussion in 'TV & Satellite' started by barneyted, Apr 11, 2010.

  1. barneyted

    barneyted Read Only Funster

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    does anybody know a tv using 20watts on a lesuire battery of 110 how long will it last?:Eeek:
     
  2. scotjimland

    scotjimland Funster Life Member

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    Assuming the battery is fully charged ..

    The calculation,

    20 watt div by 12v = 1.66 A

    As you should never discharge more than 50%, a 110ah battery has a useful capacity of 55ah

    Time in hr = 55ah div 1.66A = 33 hrs
     
  3. Johns_Cross_Motorhomes

    Johns_Cross_Motorhomes Trader - Motorhome & Accessory Sales

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    You will have square eyes after 33 hours of tele:Rofl1::Rofl1::Rofl1:

    Peter
     
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